net-tc: convert tc_at to tc_at_ingress

Field tc_at is used only within tc actions to distinguish ingress from
egress processing. A single bit is sufficient for this purpose.

Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 5 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index 8b5d6d033473..c143f1391117 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3153,9 +3153,7 @@ sch_handle_egress(struct sk_buff *skb, int *ret, struct net_device *dev)
         if (!cl)
                 return skb;
 
-        /* skb->tc_at and qdisc_skb_cb(skb)->pkt_len were already set
-         * earlier by the caller.
-         */
+        /* qdisc_skb_cb(skb)->pkt_len was already set by the caller. */
         qdisc_bstats_cpu_update(cl->q, skb);
 
         switch (tc_classify(skb, cl, &cl_res, false)) {
@@ -3320,7 +3318,7 @@ static int __dev_queue_xmit(struct sk_buff *skb, void *accel_priv)
 
         qdisc_pkt_len_init(skb);
 #ifdef CONFIG_NET_CLS_ACT
-        skb->tc_at = AT_EGRESS;
+        skb->tc_at_ingress = 0;
 # ifdef CONFIG_NET_EGRESS
         if (static_key_false(&egress_needed)) {
                 skb = sch_handle_egress(skb, &rc, dev);
@@ -3920,7 +3918,7 @@ sch_handle_ingress(struct sk_buff *skb, struct packet_type **pt_prev, int *ret,
         }
 
         qdisc_skb_cb(skb)->pkt_len = skb->len;
-        skb->tc_at = AT_INGRESS;
+        skb->tc_at_ingress = 1;
         qdisc_bstats_cpu_update(cl->q, skb);
 
         switch (tc_classify(skb, cl, &cl_res, false)) {